fix(build): webpackのnode:assertモジュール解決エラーを修正

- webpack.config.jsにnode:assertのaliasとnode設定を追加
- PR用のCIワークフロー(test.yml)を追加してビルドテストを実行

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: azu

.github/workflows/deploy.yml

@@ -13,15 +13,15 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version: '18'
       - name: Build
         run: yarn install && yarn run build
         working-directory: ./website
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./out

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Test
+
+on:
+  pull_request:
+    branches:
+      - textlint
+  push:
+    branches:
+      - textlint
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
+        with:
+          node-version: '18'
+      - name: Install dependencies
+        run: yarn install
+        working-directory: ./website
+      - name: Install server dependencies
+        run: npm install
+        working-directory: ./server
+      - name: Build website
+        run: yarn run build
+        working-directory: ./website

website/webpack.config.js

@@ -99,6 +99,11 @@ const plugins = [
 ];
 
 module.exports = Object.assign({
+  resolve: {
+    alias: {
+      'node:assert': 'assert'
+    }
+  },
   optimization: {
     moduleIds: DEV ? 'named' : 'hashed',
     runtimeChunk: 'single',
@@ -246,6 +251,7 @@ module.exports = Object.assign({
   },
 
   node: {
+    assert: 'empty',
     child_process: 'empty',
     fs: 'empty',
     module: 'empty',